uniqueAtomMat (0.1-3-2)

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Finding Unique or Duplicated Rows or Columns for Atomic Matrices.


An alternative implementation of base::duplicated.matrix(), base:anyDuplicated.matrix() and base::unique.matrix() for matrices of atomic mode, avoiding the time consuming collapse of the matrix into a character vector. An extra grpDuplicated() function is added, which groups duplicated elements together.

Maintainer: Long Qu
Author(s): Long Qu [aut, cre]

License: GPL (>= 2)

Uses: microbenchmark

Released over 2 years ago.

4 previous versions



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